MEMC Electronic (WFR) +31% premarket even as the maker of silicon wafers swung to a Q2 loss as...

MEMC Electronic (WFR) +31% premarket even as the maker of silicon wafers swung to a Q2 loss as its large semiconductor business posted a double-digit decline in sales, offsetting strength in its solar operations. But adjusted earnings and revenue easily beat expectations, and WFR foresees H2 revenues coming in stronger than H1.